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S32803 Stainless Steel vs. Zamak 3

S32803 stainless steel belongs to the iron alloys classification, while Zamak 3 belongs to the zinc alloys. There are 32 material properties with values for both materials. Properties with values for just one material (6, in this case) are not shown.

For each property being compared, the top bar is S32803 stainless steel and the bottom bar is Zamak 3.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 210
83
Elastic (Young's, Tensile) Modulus, GPa 210
86
Elongation at Break, % 18
11
Fatigue Strength, MPa 350
48
Poisson's Ratio 0.27
0.25
Rockwell B Hardness 86
50
Shear Modulus, GPa 81
33
Shear Strength, MPa 420
210
Tensile Strength: Ultimate (UTS), MPa 680
280
Tensile Strength: Yield (Proof), MPa 560
210

Thermal Properties

Latent Heat of Fusion, J/g 300
120
Maximum Temperature: Mechanical, °C 1100
95
Melting Completion (Liquidus), °C 1450
390
Melting Onset (Solidus), °C 1400
380
Specific Heat Capacity, J/kg-K 480
410
Thermal Conductivity, W/m-K 16
110
Thermal Expansion, µm/m-K 11
27

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.3
27
Electrical Conductivity: Equal Weight (Specific), % IACS 2.6
38

Otherwise Unclassified Properties

Base Metal Price, % relative 19
11
Density, g/cm3 7.7
6.4
Embodied Carbon, kg CO2/kg material 3.7
3.0
Embodied Energy, MJ/kg 53
57
Embodied Water, L/kg 180
380

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 120
28
Resilience: Unit (Modulus of Resilience), kJ/m3 760
260
Stiffness to Weight: Axial, points 15
7.5
Stiffness to Weight: Bending, points 25
23
Strength to Weight: Axial, points 25
12
Strength to Weight: Bending, points 22
15
Thermal Diffusivity, mm2/s 4.4
43
Thermal Shock Resistance, points 22
8.6

Alloy Composition

Aluminum (Al), % 0
3.5 to 4.3
Cadmium (Cd), % 0
0 to 0.0050
Carbon (C), % 0 to 0.015
0
Chromium (Cr), % 28 to 29
0
Copper (Cu), % 0
0 to 0.25
Iron (Fe), % 62.9 to 67.1
0 to 0.1
Lead (Pb), % 0
0 to 0.0050
Magnesium (Mg), % 0
0.020 to 0.060
Manganese (Mn), % 0 to 0.5
0
Molybdenum (Mo), % 1.8 to 2.5
0
Nickel (Ni), % 3.0 to 4.0
0 to 0.020
Niobium (Nb), % 0.15 to 0.5
0
Nitrogen (N), % 0 to 0.020
0
Phosphorus (P), % 0 to 0.020
0
Silicon (Si), % 0 to 0.55
0 to 0.030
Sulfur (S), % 0 to 0.0035
0
Tin (Sn), % 0
0 to 0.0030
Zinc (Zn), % 0
95.3 to 96.5